Bump up to Libtropic release 3.0.0

.gitmodules

@@ -5,5 +5,14 @@
 	path = NUCLEO_L432KC/Vendor/STM32CubeL4
 	url = https://github.com/STMicroelectronics/STM32CubeL4.git
 [submodule "libtropic"]
-	path = libtropic
+	path = vendor/libtropic
 	url = https://github.com/tropicsquare/libtropic.git
+[submodule "vendor/mbedtls"]
+	path = vendor/mbedtls_v4
+	url = https://github.com/Mbed-TLS/mbedtls.git
+[submodule "vendor/micro-ecc"]
+	path = vendor/micro-ecc
+	url = https://github.com/kmackay/micro-ecc.git
+[submodule "vendor/ed25519"]
+	path = vendor/ed25519
+	url = https://github.com/orlp/ed25519.git

FAQ.md

@@ -1,22 +1,16 @@
 # FAQ
 
-This list might help you resolve some issues.
+This list might help you resolve some issues. We also have an [FAQ with common problems](https://tropicsquare.github.io/libtropic/latest/faq) in the Libtropic SDK documentation.
 
 - [FAQ](#faq)
-  - [Cannot establish a secure session?](#cannot-establish-a-secure-session)
-  - [Debugging in VS Code](#debugging-in-vs-code)
-  - [Opening in STM32CubeIDE](#opening-in-stm32cubeide)
+  - [How to debug in VS Code?](#how-to-debug-in-vs-code)
+  - [How to open the project in STM32CubeIDE?](#how-to-open-the-project-in-stm32cubeide)
 
-## Cannot establish a secure session?
+None of the above helped?
+- If you are a customer, contact Tropic Square via the [Support Portal](http://support.tropicsquare.com) or contact your business partners.  
+- Otherwise, [open an issue](https://github.com/tropicsquare/libtropic-linux/issues/new/choose).
 
-If you have a TROPIC01 engineering sample, note that some older engineering samples require a different SH0 key. Try compiling with `-DLT_SH0_PRIV_PATH=../../libtropic/provisioning_data/sh0_priv_engineering_sample01.pem`. For example:
-
-```bash
-cd NUCLEO_F439ZI/
-mkdir build && cd build && cmake -DLT_BUILD_EXAMPLES=1 -DLT_SH0_PRIV_PATH=../../libtropic/provisioning_data/sh0_priv_engineering_sample01.pem .. && make
-```
-
-## Debugging in VS Code
+## How to debug in VS Code?
 
 To compile in debug mode, pass `-DCMAKE_BUILD_TYPE=Debug` during the CMake call.
 
@@ -26,6 +20,7 @@ Install the following dependencies:
 * `arm-none-eabi-gdb`
 
 Then place this `launch.json` file into the `.vscode` folder and update:
+
 * `EXAMPLE_NAME` according to the example you programmed into the board.
 * `configFiles` according to the board you are using.
 
@@ -53,7 +48,7 @@ Then place this `launch.json` file into the `.vscode` folder and update:
 
 Debugging should be enabled after restarting VS Code.
 
-## Opening in STM32CubeIDE
+## How to open the project in STM32CubeIDE?
 
 * Open `File > New > STM32 CMake Project`.
 * Set the project type to 'Project with existing CMake sources'.